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A source code to convert cartesian coordinates to Log-Polar coordinates for an image.
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this a simple function for convert into Cartesian to polar coordinates and adding two functions-this is a simple function for convert into Cartesian to polar coordinates and adding two functions
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这里使用了双线性插值来处理极坐标转换到直角坐标下时,点不对称的问题,不过最后生成的图有一点问题,本来应该是一圈一圈的圆环,但是转化后的只有部分圆环了
rMin = 0.1 rMax =0.9
im2 = imread( ivus.bmp )
figure(4) imshow(im2)
imR2 = PolarToIm(im2, rMin, rMax, 300, 300)
figure(5) imshow(imR2, [0 255])
然后直接调用附件的funct
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